On 10/16/16 3:13 PM, Tom Lane wrote:
As for counting bits in a bitstring, why do we have to make that an
operator at all?  Using a function would decrease the stress involved
in choosing a name, and it's hard to believe that the requirement is
so common that we need to shave a few keystrokes.  But if you must have
an operator there's not that much wrong with using prefix # for it.

Fair enough.

> Related to this I'd also like to add a boolean XOR operator as that's a
> relatively common request/question.
We have boolean XOR; it's spelled "<>".

I always forget about that... though, it doesn't work for boolean arrays.
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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